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Input: add support for Maple controller as a joystick
Add support for the SEGA Dreamcast Maple controller as a joystick Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Adrian McMenamin
Dmitry Torokhov
parent
2a3ec32657
commit
01461d7e65
3 changed files with 206 additions and 0 deletions
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@ -306,4 +306,16 @@ config JOYSTICK_WALKERA0701
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To compile this driver as a module, choose M here: the
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module will be called walkera0701.
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config JOYSTICK_MAPLE
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tristate "Dreamcast control pad"
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depends on MAPLE
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help
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Say Y here if you have a SEGA Dreamcast and want to use your
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controller as a joystick.
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Most Dreamcast users will say Y.
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To compile this as a module choose M here: the module will be called
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maplecontrol.
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endif
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@ -19,6 +19,7 @@ obj-$(CONFIG_JOYSTICK_IFORCE) += iforce/
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obj-$(CONFIG_JOYSTICK_INTERACT) += interact.o
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obj-$(CONFIG_JOYSTICK_JOYDUMP) += joydump.o
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obj-$(CONFIG_JOYSTICK_MAGELLAN) += magellan.o
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obj-$(CONFIG_JOYSTICK_MAPLE) += maplecontrol.o
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obj-$(CONFIG_JOYSTICK_SIDEWINDER) += sidewinder.o
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obj-$(CONFIG_JOYSTICK_SPACEBALL) += spaceball.o
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obj-$(CONFIG_JOYSTICK_SPACEORB) += spaceorb.o
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193
drivers/input/joystick/maplecontrol.c
Normal file
193
drivers/input/joystick/maplecontrol.c
Normal file
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@ -0,0 +1,193 @@
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/*
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* SEGA Dreamcast controller driver
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* Based on drivers/usb/iforce.c
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*
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* Copyright Yaegashi Takeshi, 2001
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* Adrian McMenamin, 2008
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/input.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/timer.h>
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#include <linux/maple.h>
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MODULE_AUTHOR("Adrian McMenamin <adrian@mcmen.demon.co.uk>");
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MODULE_DESCRIPTION("SEGA Dreamcast controller driver");
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MODULE_LICENSE("GPL");
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struct dc_pad {
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struct input_dev *dev;
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struct maple_device *mdev;
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};
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static void dc_pad_callback(struct mapleq *mq)
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{
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unsigned short buttons;
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struct maple_device *mapledev = mq->dev;
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struct dc_pad *pad = maple_get_drvdata(mapledev);
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struct input_dev *dev = pad->dev;
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unsigned char *res = mq->recvbuf;
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buttons = ~le16_to_cpup((__le16 *)(res + 8));
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input_report_abs(dev, ABS_HAT0Y,
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(buttons & 0x0010 ? -1 : 0) + (buttons & 0x0020 ? 1 : 0));
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input_report_abs(dev, ABS_HAT0X,
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(buttons & 0x0040 ? -1 : 0) + (buttons & 0x0080 ? 1 : 0));
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input_report_abs(dev, ABS_HAT1Y,
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(buttons & 0x1000 ? -1 : 0) + (buttons & 0x2000 ? 1 : 0));
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input_report_abs(dev, ABS_HAT1X,
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(buttons & 0x4000 ? -1 : 0) + (buttons & 0x8000 ? 1 : 0));
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input_report_key(dev, BTN_C, buttons & 0x0001);
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input_report_key(dev, BTN_B, buttons & 0x0002);
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input_report_key(dev, BTN_A, buttons & 0x0004);
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input_report_key(dev, BTN_START, buttons & 0x0008);
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input_report_key(dev, BTN_Z, buttons & 0x0100);
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input_report_key(dev, BTN_Y, buttons & 0x0200);
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input_report_key(dev, BTN_X, buttons & 0x0400);
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input_report_key(dev, BTN_SELECT, buttons & 0x0800);
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input_report_abs(dev, ABS_GAS, res[10]);
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input_report_abs(dev, ABS_BRAKE, res[11]);
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input_report_abs(dev, ABS_X, res[12]);
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input_report_abs(dev, ABS_Y, res[13]);
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input_report_abs(dev, ABS_RX, res[14]);
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input_report_abs(dev, ABS_RY, res[15]);
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}
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static int dc_pad_open(struct input_dev *dev)
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{
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struct dc_pad *pad = dev->dev.platform_data;
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maple_getcond_callback(pad->mdev, dc_pad_callback, HZ/20,
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MAPLE_FUNC_CONTROLLER);
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return 0;
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}
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static void dc_pad_close(struct input_dev *dev)
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{
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struct dc_pad *pad = dev->dev.platform_data;
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maple_getcond_callback(pad->mdev, dc_pad_callback, 0,
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MAPLE_FUNC_CONTROLLER);
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}
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/* allow the controller to be used */
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static int __devinit probe_maple_controller(struct device *dev)
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{
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static const short btn_bit[32] = {
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BTN_C, BTN_B, BTN_A, BTN_START, -1, -1, -1, -1,
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BTN_Z, BTN_Y, BTN_X, BTN_SELECT, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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};
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static const short abs_bit[32] = {
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-1, -1, -1, -1, ABS_HAT0Y, ABS_HAT0Y, ABS_HAT0X, ABS_HAT0X,
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-1, -1, -1, -1, ABS_HAT1Y, ABS_HAT1Y, ABS_HAT1X, ABS_HAT1X,
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ABS_GAS, ABS_BRAKE, ABS_X, ABS_Y, ABS_RX, ABS_RY, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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};
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struct maple_device *mdev = to_maple_dev(dev);
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struct maple_driver *mdrv = to_maple_driver(dev->driver);
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int i, error;
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struct dc_pad *pad;
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struct input_dev *idev;
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unsigned long data = be32_to_cpu(mdev->devinfo.function_data[0]);
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pad = kzalloc(sizeof(struct dc_pad), GFP_KERNEL);
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idev = input_allocate_device();
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if (!pad || !idev) {
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error = -ENOMEM;
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goto fail;
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}
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pad->dev = idev;
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pad->mdev = mdev;
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idev->open = dc_pad_open;
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idev->close = dc_pad_close;
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for (i = 0; i < 32; i++) {
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if (data & (1 << i)) {
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if (btn_bit[i] >= 0)
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__set_bit(btn_bit[i], idev->keybit);
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else if (abs_bit[i] >= 0)
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__set_bit(abs_bit[i], idev->absbit);
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}
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}
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if (idev->keybit[BIT_WORD(BTN_JOYSTICK)])
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idev->evbit[0] |= BIT_MASK(EV_KEY);
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if (idev->absbit[0])
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idev->evbit[0] |= BIT_MASK(EV_ABS);
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for (i = ABS_X; i <= ABS_BRAKE; i++)
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input_set_abs_params(idev, i, 0, 255, 0, 0);
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for (i = ABS_HAT0X; i <= ABS_HAT3Y; i++)
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input_set_abs_params(idev, i, 1, -1, 0, 0);
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idev->dev.platform_data = pad;
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idev->dev.parent = &mdev->dev;
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idev->name = mdev->product_name;
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idev->id.bustype = BUS_HOST;
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input_set_drvdata(idev, pad);
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error = input_register_device(idev);
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if (error)
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goto fail;
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mdev->driver = mdrv;
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maple_set_drvdata(mdev, pad);
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return 0;
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fail:
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input_free_device(idev);
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kfree(pad);
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maple_set_drvdata(mdev, NULL);
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return error;
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}
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static int __devexit remove_maple_controller(struct device *dev)
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{
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struct maple_device *mdev = to_maple_dev(dev);
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struct dc_pad *pad = maple_get_drvdata(mdev);
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mdev->callback = NULL;
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input_unregister_device(pad->dev);
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maple_set_drvdata(mdev, NULL);
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kfree(pad);
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return 0;
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}
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static struct maple_driver dc_pad_driver = {
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.function = MAPLE_FUNC_CONTROLLER,
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.drv = {
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.name = "Dreamcast_controller",
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.probe = probe_maple_controller,
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.remove = __devexit_p(remove_maple_controller),
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},
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};
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static int __init dc_pad_init(void)
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{
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return maple_driver_register(&dc_pad_driver);
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}
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static void __exit dc_pad_exit(void)
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{
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maple_driver_unregister(&dc_pad_driver);
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}
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module_init(dc_pad_init);
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module_exit(dc_pad_exit);
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